11 Metal Casting Methods
Metal casting is the process of making objects by pouring molten metal into an empty shaped space. The metal then cools and hardens into the form given to it by this shaped mold. Casting is often a less expensive way to manufacture a piece compared with machining the part out of a piece of solid metal. There are many metal casting methods to choose from. What type of casting is most efficient depends on the metals used, the size of the run, and the complexity of the casting.
METAL CASTING METHODS
Metal casting comes in two main categories: processes with reusable molds and processes with expendable molds.
1. Reusable molds:
2. Expendable molds:
-Investment casting (lost-wax)
-Full mold or foam
Consultation with manufacturers is helpful to find the most cost-effective way to cast a project. In general, ferrous metals will be cast using expendable molds, whereas non-ferrous metals have a wider range of possibilities, but there are exceptions even to this simple rule.
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